From 8a5f0141a346ad4b94d09313a2ec9a52efa7cf59 Mon Sep 17 00:00:00 2001
From: Jakub Sławiński
Date: Tue, 12 Oct 2004 00:07:33 +0200
Subject: v0.5.5

  - Added: rsa key generation by afclient
  - Modified: afclient is now generating keys by default
  - Fixed: major bug in packet buffering
  - Added: 'timeout', 'clients' and 'usrpcli' options
  - Fixed: parsing 'users' option
  - Modified: module management routines
  - Added: module support for service's packet filtering
  - Fixed: few minor bugs in closing connection routines
  - Added: possibility to use several clients per realm
  - Modified: there is no need for 'users', 'timeout', 'clients',
              'proto', 'usrpcli' and 'climode' options in config
              file when default values are acceptable
---
 modules.c | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 modules.c

(limited to 'modules.c')

diff --git a/modules.c b/modules.c
new file mode 100644
index 0000000..75c2a08
--- /dev/null
+++ b/modules.c
@@ -0,0 +1,63 @@
+/*
+ * active port forwarder - software for secure forwarding
+ * Copyright (C) 2003,2004 jeremian <jeremian [at] poczta.fm>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#include "modules.h"
+
+#include <stdlib.h>
+#include <dlfcn.h>
+
+int
+loadmodule(moduleT* module)
+{
+  if (module->name) {
+    module->handle = dlopen(module->name, RTLD_NOW);
+    if (!module->handle) {
+      return 1;
+    }
+    dlerror();
+    *(void**) (&module->info) = dlsym(module->handle, "info");
+    *(void**) (&module->allow) = dlsym(module->handle, "allow");
+    *(void**) (&module->filter) = dlsym(module->handle, "filter");
+    if (dlerror() != NULL) {
+      return 2;
+    }
+    module->loaded = 1;
+  }	
+  return 0;
+}
+
+int
+releasemodule(moduleT* module)
+{
+	if (ismloaded(module)) {
+		module->loaded = 0;
+		module->info = NULL;
+		module->allow = NULL;
+		module->filter = NULL;
+	return dlclose(module->handle);
+	}
+	return 0;
+}
+
+int
+ismloaded(moduleT* module)
+{
+	return module->loaded;
+}
-- 
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